<?php

namespace App\Http\Controllers;

use App\Models\Product;
use Illuminate\Http\Request;

class LeaderboardController extends Controller
{
    private const PER_PAGE = 10;

    /**
     * Display the leaderboard: top products by period, or the newest products.
     */
    public function index(Request $request)
    {
        $tab = $request->query('tab') === 'new' ? 'new' : 'top';
        $period = array_key_exists((string) $request->query('period'), Product::LEADERBOARD_PERIODS)
            ? $request->query('period')
            : 'today';

        $query = Product::query()->with('tags');

        $products = ($tab === 'new' ? $query->approved()->latest('products.created_at')->latest('products.id') : $query->topFor($period))
            ->paginate(self::PER_PAGE)
            ->appends($tab === 'new' ? ['tab' => 'new'] : ['tab' => 'top', 'period' => $period]);

        return view('leaderboard.index', [
            'products' => $products,
            'tab' => $tab,
            'period' => $period,
            'periods' => Product::LEADERBOARD_PERIODS,
        ]);
    }
}